Home
Class 12
CHEMISTRY
Assertion:Cr(2)O(3)+2Al →Al(2)O(3)+2Cr i...

Assertion:`Cr_(2)O_(3)+2Al →Al_(2)O_(3)+2Cr` is thermodynamically feasible.
Reason: Chromium can show variable oxidation states. A. If both Assertion and Reason are true and the Reason is the correct explanation of Assertion. B.If both Assertion and Reason are true but Reason is not the correct explanation of Assertion C. If Assertion is true but the Reason is false D. If both Assertion and Reason are false

A

A. If both Assertion and Reason are true and the Reason is the correct explanation of Assertion.

B

B.If both Assertion and Reason are true but Reason is not the correct explanation of Assertion

C

C. If Assertion is true but the Reason is false

D

D. If both Assertion and Reason are false

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • REDOX REACTION & ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTION (ELECTROCHEMISTRY) (LEVEL -I) (HOMEWORK)|20 Videos
  • REDOX REACTION & ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTION (ELECTROCHEMISTRY) (LEVEL -II)|26 Videos
  • REDOX REACTION & ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTION (REDOX REACTION) (LEVEL -II)|26 Videos
  • POLYMERS, BIOMOLECULES AND CHEMISTRY IN EVERYDAY LIFE

    BRILLIANT PUBLICATION|Exercise LEVEL -III (Comprehension Type) |12 Videos
  • SOLID STATE

    BRILLIANT PUBLICATION|Exercise LEVEL-3 (Linked Comprehension Type)|10 Videos

Similar Questions

Explore conceptually related problems

Assertion : In 4d series many elements have abnormal configurations Reason : MP order : Cu gt Ag gt Au : If both Assertion and Reason are true and reason is the correct explanation of Assertion, If both Assertion and Reason are true but reason is not the correct explanation of Assertion, If Assertion is true but Reason is false, If both Assertion and Reason are false

Assertion : HgCl_(2) & AgCl are colourless, but Hgl_(2) & Agl are coloured Reason : Large anions are more polarisable : If both Assertion and Reason are true and reason is the correct explanation of Assertion, If both Assertion and Reason are true but reason is not the correct explanation of Assertion, If Assertion is true but Reason is false, If both Assertion and Reason are false

Assertion : The process in which nutrient rich water bodies develop plant population is called eutrophication. Reason:Eutrophication helps enhancement of plants & animals population by providing them oxygen. If both Assertion and Reason are true and the Reason is the correct explanation of Assertion, If both Assertion and Reason are true but Reason is not the correct explanation of Assertion, If Assertion is true but the Reason is false, If both Assertion and Reason are false

Assertion London smog is oxidising in nature. Reason London smog contains 'O3, NO2' and hydrocarbons . (i)Both Assertion and Reason are true and Reason is the correct explanation of Assertion. (ii)Both Assertion and Reason are true but Reason is not the correct explanation of Assertion. (iii)Assertion is true but Reason is false. (iv)Both Assertion and Reason are false.

Assertion: Photochemical smog is produced by nitrogen oxides. Reason:Vehicular pollution is a major source of nitrogen oxides. (1)Both Assertion and Reason are true and Reason is the correct explanation of Assertion. (2)Both Assertion and Reason are true but Reason is not the correct explanation of Assertion. (3)Assertion is true but Reason is false. (4)Both Assertion and Reason are false.

Assertion : A suspension of Mg(OH)_(2) is used as lexative Reason : It is an antacid (I) Both assertion and reason are true and reason is the correct explanation of assertion (II) Both assertion and reason are true and reason is not the correct explanation of assertion (III) Assertion is true and reason is false (IV) Both assertion and reason are false

Assertion: Phenoxide ion on treatment with an active alkyl halide (e.g.CH_(2) =CH- CH_(2)Cl ) gives two products-, viz, O-substituted and C-substituted. Reason: Phenoxide ion is an ambident nucleophile. A. If both assertion and reason are true and the reason is the correct explanation of the assertion. B. If both assertion and reason are true but reason is not the correct explanation of the assertion. C. If assertion is true but reason is false. D. If both assertion and reason are false.

Assertion : The radius of La^(+3)(Z=57) is 1.06Å whereas radius of Lu^(+3)(Z=71) is 1.09Å Reason : Due to Lanthanoid contraction , paramanetism is least with ._(60)Nd : If both Assertion and Reason are true and reason is the correct explanation of Assertion, If both Assertion and Reason are true but reason is not the correct explanation of Assertion, If Assertion is true but Reason is false, If both Assertion and Reason are false

Assertion : EGE value of Al is less -ve than that of Na. Reason : Al atom is smaller than Na atom. : If both Assertion & Reason are true and the Reason is the correct explanation of the Assertion, If both Assertion and reason are true but the Reason is not the correct explanation of the Assertion, If Reason is true statement but Assertion is false, If both Assertion and Reason are false statements

Assertion:Phenol forms 2,4,6-tribromophenol on treatment with Br_2 in carbon disulphide at 273 K. Reason:Bromine polarizes in carbon disulphide. A.If both the assertion and reason are true and reason is the correct explanation of the assertion. B. If both assertion and reason are true but reason is not the correct explanation of the assertion C. If assertion is true but reason is false . D. If both assertion and reason are false.